記憶喪失のフリ~妻が妹と入れ替わってた~

Billionaire Arthur fakes amnesia to uncover who truly loves him. But his wife Roxy betrays him, forcing her innocent sister Sophie to take her place as his “wife” while she cheats with his best friend. As Arthur plays along, he discovers Sophie has loved him for seven years. He destroys the betrayal and chooses the woman who was always his true love.